<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<body>
    <script>

        var name = prompt('请输入你的姓名：');
        var age = prompt('请输入你的年龄：');
        var sex = prompt('请输入你的性别：');

        console.log('用户的姓名：' + name);
        console.log('用户的年龄：' + age);
        console.log('用户的性别：' + sex);
    </script>
</body>

</html>